Automated phone calls from the Moses Lake School District are delivered via SchoolMessenger. The caller ID for these calls at the district level will be 509-766-2650. The calls from the individual schools will be from the main number for that school. You can find the school numbers on this webpage: http://www.mlsd161.org/apps/pages/schoolcontactinfo
Sometimes, either intentionally by someone, or by accident, a phone number can be blocked on your phone. Here's how to fix that. If this happens repeatedly (by someone other than yourself), consider adding a passcode to your phone, or change the passcode you currently have.
How to unblock a phone number on an iPhone:
How to unblock a phone number on an Android-based smartphone: